Patents Examined by Roy King
  • Patent number: 9963768
    Abstract: A method for manufacturing an amorphous alloy by using liquid pig iron is described. An exemplary embodiment provides a method for manufacturing an amorphous alloy, including providing liquid pig iron, adding an alloy material to the liquid pig iron, and solidifying the liquid pig iron.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: May 8, 2018
    Assignee: POSCO
    Inventors: Sang-Ho Yi, Seung Dueg Choi, Seong Hoon Yi
  • Patent number: 9931716
    Abstract: A solder alloy is a tin-silver-copper solder alloy substantially consisting of tin, silver, copper, bismuth, nickel, cobalt, and indium. With respect to the total amount of the solder alloy, the content ratio of the silver is 2 mass % or more and 5 mass % or less; the content ratio of the copper is 0.1 mass % or more and 1 mass % or less; the content ratio of the bismuth is 0.5 mass % or more and 4.8 mass % or less; the content ratio of the nickel is 0.01 mass % or more and 0.15 mass % or less; the content ratio of the cobalt is 0.001 mass % or more and 0.008 mass % or less; the content ratio of the indium is above 6.2 mass % and 10 mass % or less; and the content ratio of the tin is the remaining ratio.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: April 3, 2018
    Assignee: HARIMA CHEMICALS, INCORPORATED
    Inventors: Kazuki Ikeda, Kosuke Inoue, Kazuya Ichikawa, Tadashi Takemoto
  • Patent number: 9920401
    Abstract: The present invention relates to an aluminum base alloy with high thermal conductivity, and more particularly, to an alloy for die casting that does not become brittle and has high thermal conductivity, so as to be easily used for LED lighting parts, and contains 0.2 to 2.0 wt % of Mg, 0.1 to 0.3 wt % of Fe, 0.1 to 1.0 wt % of Co, with the remainder being Al.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: March 20, 2018
    Assignee: SANGMOON
    Inventors: Ho Sung Seo, Gi Dong Kang
  • Patent number: 9896747
    Abstract: The present invention relates to an aluminum alloy having low density and enhanced heat resistance. An aluminum alloy having improved high temperature physical properties comprises: magnesium (Mg) in an amount of about 7 to about 11 wt %, silicon (Si) in an amount of about 4 to about 8 wt %, copper (Cu) in an amount of about 0.5 to about 2 wt % and manganese (Mn) in an amount of about 0.3 to about 0.7 wt %, and a balance of aluminum based on the total weight of the aluminum alloy. Vehicle parts such as a piston, a housing and/or a bed plate of high power engine, to which the aluminum alloy may be applied, are provided as well.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: February 20, 2018
    Assignee: Hyundai Motor Company
    Inventor: Hee-Sam Kang
  • Patent number: 9890448
    Abstract: This relates to an aluminum alloy product, in particular an age-hardenable Al—Zn—Mg type alloy product for structural members, the alloy product combining a high strength with high toughness and reduced quench sensitivity, and having a chemical composition including, in wt. %: Zn about 3 to 11%, Mg about 1 to 3%, Cu about 0.9 to 3%, Ge about 0.03 to 0.4%, Si max. 0.5%, Fe max. 0.5%, balance aluminum and normal and/or inevitable elements and impurities. Furthermore, this relates to a method of producing such aluminum alloy products.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: February 13, 2018
    Assignee: ALERIS ALUMINUM KOBLENZ GMBH
    Inventors: Shangping Chen, Linzhong Zhuang, Sunil Khosla, Hugo Van Schoonevelt, Andrew Norman, Achim Burger
  • Patent number: 9890436
    Abstract: A cold rolled and hardened martensitic austenitic stainless steel strip for flapper valves in compressors is made from steel combining, in weight %(wt. %), the following elements: C: 0.3-0.5, Si: 0.2-0.8, Mn: 0.2-1.0, Cr: 12.0-15.0, Mo: 0.50-2.00, N: 0.02-0.15, and V: 0.01-0.20. The steel strip has a matrix consisting of tempered martensite and between 5 and 15 volume % austenite and a tensile strength (Rm) of 1970-2300 MPa. The steel strip has a thickness of 0.07-3 mm and a width of ?500 mm.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: February 13, 2018
    Assignee: VOESTALPINE PRECISION STRIP AB
    Inventors: Chris Millward, Azhar Nawaz, Alexander Lof
  • Patent number: 9890437
    Abstract: This high-strength steel sheet contains, in mass %, 0.05 to 0.3% of C, 1 to 3% of Si, 0.5 to 3% of Mn, up to 0.1% (inclusive of 0%) of P, up to 0.01% (inclusive of 0%) of S, 0.001 to 0.1% of Al and 0.002 to 0.03% of N with the balance consisting of iron and unavoidable impurities, and has a microstructure which comprises, in area fraction relative to the microstructure, 40 to 85% of bainitic ferrite, 5 to 20% of retained austenite (?R), 10 to 50% (in total) of martensite and ?R, and 5 to 40% of ferrite. The retained austenite (?R) has a C concentration of 0.5 to 1.0 mass %, while the quantity of ?R present in the ferrite grains is 1% or more (in area fraction) relative to the microstructure.
    Type: Grant
    Filed: February 6, 2013
    Date of Patent: February 13, 2018
    Assignee: Kobe Steel, Ltd.
    Inventors: Elijah Kakiuchi, Toshio Murakami, Katsura Kajihara, Tatsuya Asai, Naoki Mizuta, Hideo Hata
  • Patent number: 9878392
    Abstract: The system and method described herein generally pertains to generating a lead in profile that defines acceleration before a cutting velocity is achieved to perform a cutting operation and a lead out profile that defines deceleration after the cutting operation is performed. The lead in profile defines acceleration from approximately zero (0) to the cutting velocity within a duration of time in order to perform the cutting operation, wherein the lead in profile is calculated based on the cutting velocity or a type of material of the workpiece, a start location for the cutting operation, and a thickness of the workpiece. The lead out profile defines deceleration from the cutting operation to approximately zero (0) within a duration of time, wherein the lead out profile is calculated based on the cutting velocity or a type of material of the workpiece, an end location for the cutting operation, and a thickness of the workpiece.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: January 30, 2018
    Assignee: LINCOLN GLOBAL, INC.
    Inventor: Christopher Williams
  • Patent number: 9863022
    Abstract: This H-beam steel has a composition including C, Si, Mn, Cu, Ni, V, Al, Ti, B, N, and O, and further including at least one of Mo and Nb, in which Ceq obtained in Equation 1 described below falls in a range of 0.37 to 0.50, the thickness of a flange falls in a range of 100 to 150 mm, and the area fraction of bainite at a depth of one quarter of the thickness of the flange from the external surface of the flange is 60% or more. Ceq=C+Mn/6+(Mo+V)/5+(Ni+Cu)/15??Equation 1, where C, Mn, Mo, V, Ni, and Cu represent the amount of each element contained.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: January 9, 2018
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Kazutoshi Ichikawa, Masaki Mizoguchi, Kazuaki Mitsuyasu, Hirokazu Sugiyama
  • Patent number: 9859026
    Abstract: An austenitic alloy tube subjected to a cold working and an annealing heat treatment contains C: 0.01% to 0.15%, Cr: 10.0% to 40.0%, Ni: 8.0% to 80.0%, in mass %, and has a metallographic structure satisfying the following Expressions (i) to (iii). R?f1??(i) R=I220/I111??(ii) f1=0.28×(F1118.0/(F1118.0+0.358.0))??(iii) Where, in the above Expressions, R is a ratio of an integrated intensity of {220} to an integrated intensity of {111} on a surface layer which is measured by a grazing incidence X-ray diffraction method, I220 is the integrated intensity of {220}, I111 is the integrated intensity of {111}, and F111 is full width of half maximum of {111} on the surface layer which is measured by the grazing incidence X-ray diffraction method.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: January 2, 2018
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Yumi Momozono, Mitsuharu Yonemura, Yasuhiro Masaki, Manabu Kanzaki
  • Patent number: 9855665
    Abstract: A razor blade including a substrate with a cutting edge, the substrate includes a mixed nitride-substrate interregion disposed at or beneath a surface of the substrate, the mixed nitride-substrate interregion being substantially free of a compound layer.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: January 2, 2018
    Assignee: The Gillette Company LLC
    Inventors: Krassimir Grigorov Marchev, John Madeira
  • Patent number: 9859031
    Abstract: A rolled Cu—Ni—Si based copper alloy having excellent strength, electric conductivity, and bending coefficient is provided. The rolled copper alloy comprises 1.2 to 4.5% by mass Ni, 0.25 to 1.0% by mass Si, and the balance Cu with inevitable impurities. In the direction transverse to the rolling direction, the rolled copper alloy has a bending coefficient of 130 GPa or more and an electrical conductivity of 30% ICAS or more.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: January 2, 2018
    Assignee: JX Nippon Mining & Metals Corporation
    Inventor: Hiroshi Kuwagaki
  • Patent number: 9856552
    Abstract: Heat treatable aluminum alloy strips and methods for making the same are disclosed. The heat treatable aluminum alloy strips are continuously cast and quenched, with optional rolling occurring before and/or after quenching. After quenching, the heat treatable aluminum alloy strip is neither annealed nor solution heat treated.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: January 2, 2018
    Assignee: ARCONIC INC.
    Inventors: Ralph R. Sawtell, John M. Newman, Thomas N. Rouns, Raymond J. Kilmer
  • Patent number: 9856961
    Abstract: In a differential apparatus component (ring gear-integrated with differential case 12), a differential case and a ring gear are formed integrally and seamlessly of cast steel. Cast Steel is preferably composed of 0.3 to 1.0% by mass of silicon (Si), 0.5 to 1.2% by mass of manganese (Mn), 0.1 to 0.5% by mass of vanadium (V), 0.01 to 0.05% by mass of tin (Sn), 0.1 to 1.5% by mass of chromium (Cr), 0.2 to 1.0% by mass of copper (Cu), and the rest composed of iron (Fe) and unavoidable impurities.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: January 2, 2018
    Assignee: AISIN TAKAOKA CO., LTD.
    Inventors: Zhong-zhi Zhang, Huaisheng Dai, Tomohiro Yamaguchi
  • Patent number: 9859042
    Abstract: The application discloses a rare-earth permanent magnetic powder, a bonded magnet, and a device using the bonded magnet. The rare-earth permanent magnetic powder comprises 4 to 12 at. % of Nd, 0.1 to 2 at. % of C, 10 to 25 at. % of N and 62.2 to 85.9 at. % of T, wherein T is Fe or FeCo and the main phase of the rare-earth permanent magnetic powder is a hard magnetic phase with a TbCu7 structure. Material volatilization can be avoided effectively during a preparation process of the rare earth permanent magnetic powder, thus improving the wettability with a water-cooling roller during the preparation process and final prepared materials are provided with good magnetic properties.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: January 2, 2018
    Assignee: GRIREM ADVANCED MATERIALS CO., LTD.
    Inventors: Yang Luo, Hongwei Li, Dunbo Yu, Kuoshe Li, Wenlong Yan, Jiajun Xie, Shuai Lu
  • Patent number: 9850560
    Abstract: A steel for wheel contains, in mass %, C: 0.65 to 0.84%, Si: 0.4 to 1.0%, Mn: 0.50 to 1.40%, Cr: 0.02 to 0.13%, S: 0.04% or less and V: 0.02 to 0.12%, wherein Fn1 expressed by formula (1) is 32 to 43, and Fn2 expressed by formula (2) is 25 or less, the balance being Fe and impurities. P, Cu and Ni as impurities are P: 0.05% or less, Cu: 0.20% or less and Ni: 0.20% or less: Fn1=2.7+29.5'C+2.9'Si+6.9'Mn+10.8'Cr+30.3'Mo+44.3'V?? (1) Fn2=exp(0.76)'exp(0.05'C)'exp(1.35'Si)'exp(0.38'Mn)'exp(0.77'Cr)'exp(3.0'Mo)'exp(4.6'V)??(2). The steel has excellent properties for use as a wheel.
    Type: Grant
    Filed: April 8, 2013
    Date of Patent: December 26, 2017
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Yuichiro Yamamoto, Yukiteru Takeshita, Kentaro Kiriyama, Takanori Kato
  • Patent number: 9845519
    Abstract: Provided are: a boron-added high strength steel for bolt excellent in delayed fracture resistance even having a tensile strength of 1100 MPa or more without addition of large amounts of expensive alloy elements such as Cr and Mo: and a high strength bolt made from the boron-added high strength steel for bolt. The high strength steel for bolt contains C of 0.23% to less than 0.40%, Si of 0.23% to 1.50%, Mn of 0.30% to 1.45%, P of 0.03% or less (excluding 0%), S of 0.03% or less (excluding 0%), Cr of 0.05% to 1.5%, V of 0.02% to 0.30%, Ti of 0.02% to 0.1%, B of 0.0003% to 0.0050%, Al of 0.01% to 0.10%, and N of 0.002% to 0.010%, with the remainder being iron and inevitable impurities. The steel has a ratio ([Si]/[C]) of the Si content [Si] to the C content [C] of 1.0 or more and has a ferrite-pearlite mixed microstructure.
    Type: Grant
    Filed: February 5, 2013
    Date of Patent: December 19, 2017
    Assignee: Kobe Steel, Ltd.
    Inventors: Yosuke Matsumoto, Atsushi Inada, Masamichi Chiba
  • Patent number: 9840756
    Abstract: Embodiments relate to systems and methods for regenerating and recirculating a CO, H2 or combinations thereof utilized for metal oxide reduction in a reduction furnace. The reduction furnace receives the reducing agent, reduces the metal oxide, and generates an exhaust of the oxidized product. The oxidized product is transferred to a mixing vessel, where the oxidized product, a calcium oxide, and a vanadium oxide interact to regenerate the reducing agent from the oxidized product. The regenerated reducing agent is transferred back to the reduction furnace for continued metal oxide reductions.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: December 12, 2017
    Assignee: U.S. Department of Energy
    Inventors: Jinichiro Nakano, James P. Bennett, Anna Nakano
  • Patent number: 9840750
    Abstract: A medium carbon steel sheet for cold working that has a hardness of 500 HV to 900 HV when subjected to high-frequency quenching and a quick cooling to a room temperature is carried out. The medium carbon steel sheet includes, by mass %, C: 0.30 to 0.60%, Si: 0.06 to 0.30%, Mn: 0.3 to 2.0%, P: 0.03% or less, S: 0.0075% or less, Al: 0.005 to 0.10%, N: 0.001 to 0.01%, and Cr: 0.001 to 0.10%, the balance composed of Fe and inevitable impurities. An average diameter d of a carbide is 0.6 ?m or less, a spheroidizing ratio p of the carbide is equal to or more than 70% and less than 90%, and the average diameter d (?m) of the carbide and the spheroidizing ratio p % of the carbide satisfy the expression d?0.04×p?2.6.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: December 12, 2017
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Kengo Takeda, Masayuki Abe, Yasushi Tsukano, Takashi Aramaki, Shinichi Yamaguchi
  • Patent number: 9834831
    Abstract: A high rigid spheroidal graphite cast iron, comprising: 2.0 mass % to less than 2.7 mass % or more than 3.0 mass % to less than 3.6 mass % of C, 1.5 to 3.0 mass % of Si, 1.0% or less of Mn, 1.0 mass % or less of Cu, 0.02 to 0.07 mass % of Mg and the residual Fe and inevitable impurities, wherein a carbon equivalent (a CE value) calculated by the mathematical expression (1): CE=C (mass %)+Si (mass %)/3 in terms of C and Si contents is 2.8 to 3.2% within a first range from 2.0 mass % to less than 2.7 mass % of C and is 3.6 to 4.2% within a second range from more than 3.0 mass % to less than 3.6 mass % of C, and the Young's modulus is 170 GPa or more.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: December 5, 2017
    Assignee: Kabushiki Kaisha Riken
    Inventors: Tomoyuki Tobita, Tadaaki Kanbayashi